Answer:
The formula for the volume of a cylinder is V=Bh or V=πr2h .
Answer:
6,226 tiles of 9 in are needed to cover an area of 400 square feet
Step-by-step explanation:
Let
A -----> an area in square feet
t(A) ---> the total number of 9 in. tiles needed
we have

For A=400 ft^2
substitute in the equation and solve for t


That means -----> 6,226 tiles of 9 in are needed to cover an area of 400 square feet
I am pretty sure it’s 14 I think but i don’t know for sure
N<6 is the answer I think